Magnesia Carbon Brick

Short Description:

Magnesia carbon bricks are made of high melting point alkaline oxide magnesium oxide (melting point 2800°C) and high melting point carbon materials that are difficult to be infiltrated by slag as raw materials, and various non-oxide additives are added. A non-burning composite refractory material combined with a carbon binder.
The main raw material for the production of magnesia carbon bricks, the quality of magnesia has an extremely important influence on the performance of magnesia carbon bricks. The purity of magnesia has a significant impact on the slag resistance of magnesia carbon bricks. The higher the magnesium oxide content, the lower the relative impurities, the lower the degree of silicate phase separation, the higher the degree of direct bonding of periclase, and the higher resistance to slag penetration and slag melting loss. The impurities in magnesia mainly include calcium oxide, silicon dioxide, and iron oxide. If the content of impurities is high, especially boron oxide compounds, it will adversely affect the refractoriness and high temperature performance of magnesia.


Product Detail

PRODUCTIVE PROCESS

PACKING AND SHIPPING

Product Tags

Description


Magnesia carbon bricks are made of high melting point alkaline oxide magnesium oxide (melting point 2800°C) and high melting point carbon materials that are difficult to be infiltrated by slag as raw materials, and various non-oxide additives are added. A non-burning composite refractory material combined with a carbon binder.
The main raw material for the production of magnesia carbon bricks, the quality of magnesia has an extremely important influence on the performance of magnesia carbon bricks. The purity of magnesia has a significant impact on the slag resistance of magnesia carbon bricks. The higher the magnesium oxide content, the lower the relative impurities, the lower the degree of silicate phase separation, the higher the degree of direct bonding of periclase, and the higher resistance to slag penetration and slag melting loss. The impurities in magnesia mainly include calcium oxide, silicon dioxide, and iron oxide. If the content of impurities is high, especially boron oxide compounds, it will adversely affect the refractoriness and high temperature performance of magnesia.

Features

Has good high temperature resistance / Strong slag resistance

Good thermal shock resistance / Low high temperature creep

Application

Magnesia carbon bricks are mainly used for lining of converters, AC electric arc furnaces, DC electric arc furnaces, and slag lines of ladle.

Physical And Chemical Indicators

STEEL LADLE

Brand
Properties

Chemical Properties (%)

Physical Properties

Main Application

MgO

FC

Al2O3

AP (%)

BD (g/cm3)

CCS (MPa)

HMOR (1400ºCX0.5hr)

LF 8 BI

90

8

2

4

3

45

8

Bottom Impact

LF 8 BN

90

8

2

4

3

45

6

Bottom Non Impact

LF 10 BC

88

10

2

4

3

45

8

Bottom Conical/Splash Pad

LF 12 MP

86

12

2

4

3.05

45

10

Metal Zone Purging

LF 12 MN

86

12

2

5

3.05

40

6

Metal Zone Non Purging

LF 14 SP

84

14

2

3

3.1

40

10

Slag Zone Purging

LF 14 SN

84

14

2

3

3.1

40

8

Slag Zone Non Purging

LF 13 FB

85

13

2

5

3

40

6

Free Board

Productive Process

1.Raw material quality control including physical and chemical testing.           
2.Crushing and grinding of bulk raw materials.
3. According to customer data sheet required to mixing Raw Material.
Pressing or shaping the green brick depend on different raw material and brick shape.
4.Dry the bricks at dryer kiln.
5.Put the bricks into the tunnel kiln to burning by higher temp from 1300-1800 deg.
6.The quality control department will inspect the finished refractory bricks random.

Packing And Shipping

Packaging  according to safety sea-exporting packing Standard
Dispatch : loading the finished packing material at factory by container Door toDoor   
By sea fumigated wooden pallet + plastic belt  + plastic film wrap.


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  • 1.Raw material quality control including physical and chemical testing.           
    2.Crushing and grinding of bulk raw materials.
    3. According to customer data sheet required to mixing Raw Material.
    Pressing or shaping the green brick depend on different raw material and brick shape.
    4.Dry the bricks at dryer kiln.
    5.Put the bricks into the tunnel kiln to burning by higher temp from 1300-1800 deg.
    6.The quality control department will inspect the finished refractory bricks random.

    Packaging  according to safety sea-exporting packing Standard
    Dispatch : loading the finished packing material at factory by container Door toDoor   
    By sea fumigated wooden pallet + plastic belt  + plastic film wrap.

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